CN1555699A - Aqueous emulsion green pesticide and its formula design and preparation method - Google Patents
Aqueous emulsion green pesticide and its formula design and preparation method Download PDFInfo
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- CN1555699A CN1555699A CNA200410002117XA CN200410002117A CN1555699A CN 1555699 A CN1555699 A CN 1555699A CN A200410002117X A CNA200410002117X A CN A200410002117XA CN 200410002117 A CN200410002117 A CN 200410002117A CN 1555699 A CN1555699 A CN 1555699A
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- suspension emulsion
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Abstract
A green agricultural chemical in the form of aqueous suspension is prepared from insecticide, solvent, mineral oil, emulsifier, growth regulator, stabilizer and water. Its avdantages are high disinfeting and bactericiding power, broad spectrum, and no secondary pollution.
Description
The present invention relates to a kind of water suspension emulsion environment friendly agricultural and prescription design and preparation method's technical field.
Along with the development of agricultural production, people urgently wish green consumption, and urgent agricultural chemicals of wishing to have a kind of nuisanceless, broad spectrum activity, wide region integrated control damage by disease and insect, to adapt to market and people's demand.
But the agricultural chemicals of taking a broad view of in the market to be sold, the one, account for the missible oil of the market share about 70%, owing to contain aromatic solvents such as benzene and dimethylbenzene mostly in the product, these toxic substances not only endanger people's health, but also serious environment pollution.The 2nd, the mineral oils agricultural chemicals of selling on the market, as 95% homemade kerosene emulstion, 99.1% dead worm of enemy of import and green grain husk etc., though be broad spectrum activity, multifunction green agricultural chemicals, but also owing to use multiple low, pace up and down mostly between 100～300 times, this has not only wasted present petroleum resources in short supply, and long-term use also can cause secondary pollution.The 3rd, the nimbin of plant bases and the Bt of biopesticide etc. also are broad spectrum activity multifunction green agricultural chemicals, but because resource shortage is slow to the deadly speed of insect, cost an arm and a leg, and people are difficult to accept.
In sum, the present agricultural chemicals of being sold on the domestic and international market does not still have a kind ofly to collect desinsection, sterilization, diseases prevention and decontamination and clean multi-functional, the broad spectrum activity for one, the environment friendly agricultural of integrated control damage by disease and insect.
From the above, but the object of the present invention is to provide a kind of both desinsections, sterilization, diseases prevention, but the multifunctional broad-spectrum that cleans of decontamination, water suspension emulsion environment friendly agricultural and the prescription design and the preparation method of integrated control damage by disease and insect again.
Technical scheme of the present invention is design like this, this water suspension emulsion environment friendly agricultural partly is made up of insecticide/solvent/mineral oil/surfactant/growth regulator/stabilizing agent/water seven, select the emulsifier of high and low HLB value for use, adopt the second emulsifying method, above-mentioned composition thoroughly is emulsified into the polyploid composition of W/O/W.
This water suspension emulsion environment friendly agricultural is with insecticide, mineral oil, the surfactant main component as desinsection, sterilization, diseases prevention, decontamination and cleaning.Total effective ingredient＜10% of its insecticide and surfactant, the content of mineral oil is 60～70%.Each component in now will filling a prescription is summarized as follows:
Described insecticide is low toxicity, low-residual, highly active commercially available pesticide original medicine, but must has intermiscibility preferably.As fluorine bell urea, worm acyl well, Avermectin, nicotine, rotenone, beta-cypermethrin, decis, Imidacloprid, decide worm amidine, chlopyrifos etc.
Described solvent is low toxicity, low-residual, solvent that solvability is big, and this project selects for use organic nitrogen compounds such as dimethyl formamide DMF or dimethylacetylamide as solvent.
Described mineral oil is for taking off aromatic hydrocarbons N22～46 refining white oils.Because mineral oil is the main component of this project, the applicant does following statement at this:
Mineral oil is as agricultural fungicides, and the long history in existing more than 1500 year uses multiple from 20～50 times, develops into present 100～300 times.But as the mineral oil that desinsection is used, its quality requirement is: should have the insecticidal effect of height, must guarantee the safety to crop again.According to available data and technology, must decide the specification of the mineral oil of getting by these three indexs of boiling range temperature, sulfonation material and kinematic viscosity.Though the mineral oil good disinsection effect of gold-plating journey temperature high boiling point scope＞430 ℃ is dangerous to crop; Though the mineral oil of boiling range temperature low boiling scope＜250 ℃ is to crop safety, insecticidal effect is poor, should not select for use.The best aromatic-free composition of mineral oil that sulfonation material (aromatic hydrocarbons) is used as desinsection, because sulfonation material (aromatic hydrocarbons) easily makes plant produce the light toxic action under high light high temperature, blade is come off, produce poisoning, for this reason, the mineral oil that contains the aromatic hydrocarbons composition should not be selected for use.Viscosity is big, and gold-plating journey temperature is also high, and carbon chain lengths is long, though have good insecticidal effect, dangerous to plant, viscosity is low, and carbochain is short, and to plant safety, but insecticidal effect is poor, i.e. viscosity＞90mm
2/ S and＜9mm
2/ S, carbon chain lengths＞30C and＜mineral oil of 17C, should not select for use.
According to the above, the mineral oil that this project is selected, owing to be environment friendly agricultural, so special requirement is arranged, promptly selecting viscosity for use is 19.8～50.6mm
2Light lubricating oil gold-plating part of/S, gold-plating journey temperature is 340～400 ℃, carbon chain lengths is N22～46 mineral oil of 22～27C, and require to adopt concentrated acid or oleum sulfonation through deep refining, and remove acid sludge, neutralize with alkali, and with behind the ethanol extracting sulfonate sodium, handle through activated decoloration, deodorization again, just remove impurity compounds such as all aromatic hydrocarbons, cycloalkane, nitrogen, oxygen, sulphur, the pure white mineral oil of obtained pure n-alkane.
Described surfactant is DBSA, ether alcohol sulfate AES, lauric alcohol acid amides 6501, aliphatic alcohol polyethenoxy (3-9) ether, alkylphenol-polyethenoxy (4-10) ether, APG APG, Tea Saponin.In said sequence with 2.5: 1: 1: 1: 1: 1: 0.5 ratio and water were made 40% the aqueous solution, and regulating PH with NaOH then is 5-6, as the high HLB value emulsifier of this project product.This emulsifier is real to be high concentration detergent, hydrophily, emulsifying ability and sterilizing are very competent, not only has extremely strong decontamination cleaning function, and gram-positive staphylococcus there is bigger inhibitory action, can make partly inactivation of hepatitis type B virus, and has a physiologically active such as anticancer (see in January, 1991, Hunan science tech publishing house publishes, " chemical industry small commodity production method " the 6th collection " practical and non-toxic synthetic detergent " monograph the 17th, 31,41 faces that Huang Defeng, Ku Ailian write).Select for use fatty alcohol and alkylphenol-polyethenoxy (3-4) ether to mix with 1: 1 ratio.Be the low HLB value emulsifier of this project, this emulsifier is the lipophilic lipophile.
Described growth regulator, for compound sodium nitrophenolate and α-Nai Yisuanna with 2: 1 mixtures or Octacide 264 DA-6.
Described stabilizing agent is xanthans XG and gel SM with 1: 4 mixture.
Because this project can be made into the Multiple Pesticides preparation, this formulation examples can't be narrated one by one for this reason, and following two formulation Example now are provided, and (is mass percent) as a reference.
Embodiment 1, this prescription is 2.65% insecticide (0.15% a Avermectin, 1.5% beta-cypermethrin, 1.00% Imidacloprid) by total amount, 5.00% solvent, 65.00% mineral oil, 3.00% low HLB value emulsifier and 10.00% high HLB value emulsifier, 0.20% growth regulator, 0.50% stabilizing agent, water is mended to 100.00%.
Embodiment 2, this prescription is 7.94% insecticide (0.19% Avermectin, 0.19% beta-cypermethrin, 0.76% Imidacloprid, 6.80% chlopyrifos) by total amount, 7.00% solvent, 62.00% mineral oil, 2.80% low HLB value emulsifier and 10.00% high HLB value emulsifier, 0.20% growth regulator, 0.50% stabilizing agent, water is mended to 100.00%.
The preparation method:
1, the solvent in will filling a prescription is squeezed into to required reaction pot with pump, starts agitator, under agitation, adds needed insecticide of prescription and growth regulator, and it is fully dissolved.
2, the mineral oil in will filling a prescription, be driven in the required reaction pot with pump, start agitator, under agitation, add the needed low HLB value emulsifier of prescription, it fully mixed, and then with the above-mentioned 1 pesticidal solutions pressure injection that makes in this reaction pot, make its abundant mixing, promptly become the W/O mineral oil pesticide combination after the emulsification for the first time.
3, will fill a prescription in required high HLB value emulsifier, be driven in another required reaction pot with pump, start agitator, rotating speed transfers to suitable with per minute 30～40, add required water, and then with the above-mentioned 2 W/O mineral oil pesticide combination pressure injections that make in this reaction pot, after stirring, add the needed stabilizing agent of prescription again, the polyploid composition-water suspension emulsion environment friendly agricultural of the W/O/W after promptly becoming emulsification for the second time after abundant the stirring.
Effect and effect
Embodiment 1, be applicable to the extermination of disease and insect pest on the low-residual tealeaves, also be applicable to the extermination of disease and insect pest on the crop of gardens simultaneously, said preparation is to various smaller green leaf hoppers, goitre mite, coccid, Aleurocanthus spiniferus, tea caterpillar, looper, and dirt such as coal smoke has excellent control efficiency.General use multiple is 800～1000 times.
Embodiment 2, are applicable to the extermination of disease and insect pest of crops such as fruit tree, vegetables, paddy rice, as mite class, a red-spotted lizard class, leaf miner, leaf roller, diamond-back moth, liriomyza bryoniae, snout moth's larva, rice fulgorid, and dirt such as coal smoke, remarkable prevention effect is arranged.General use multiple is 400～800 times.
This Project Product has following characteristics:
1, stable chemical nature, free from extraneous odour, storing safety.
2, have extremely strong emulsifying ability, penetration, exhibition is puted forth effort and sterilizing power, and simultaneously Has extremely strong decontamination cleaning function.
3, have significant prevention effect and insecticidal spectrum widely, and simultaneously plant is had life Long facilitation.
4, to the person poultry safety, crop does not have poisoning, and long-term use can not cause the secondary dirt to environment Dye.
Claims (9)
1, a kind of water suspension emulsion environment friendly agricultural, its prescription design partly is made up of insecticide/solvent/mineral oil/surfactant/growth regulator/stabilizing agent/water seven; The preparation method is the second emulsifying method.
2, as claim 1, described water suspension emulsion environment friendly agricultural is characterized in that described prescription design: for insecticide/solvent/mineral oil/surfactant/growth regulator/stabilizing agent/water seven is partly formed.
3, as claim 1, described water suspension emulsion environment friendly agricultural is characterized in that described preparation method: be the second emulsifying method.
4, as claim 2, described water suspension emulsion environment friendly agricultural, it is characterized in that described insecticide is low toxicity, low-residual, highly active commercially available pesticide original medicine, as fluorine bell urea, worm acyl well, Avermectin, nicotine, rotenone, beta-cypermethrin, decis, Imidacloprid, decide the worm amidine, poison tick etc.
5, as claim 2, described water suspension emulsion environment friendly agricultural is characterized in that described solvent is dimethyl formamide DMF or dimethylacetylamide.
6, as claim 2, described water suspension emulsion environment friendly agricultural is characterized in that described mineral oil is the N22～46 refining white oils that take off aromatic hydrocarbons.
7, as claim 2, described water suspension emulsion environment friendly agricultural, it is characterized in that described surfactant, be DBSA, ether alcohol sulfate AES, lauric alcohol acid amides 6501, aliphatic alcohol polyethenoxy (3-9) ether, alkylphenol-polyethenoxy (4-10) ether, APG APG, Tea Saponin.
8, as claim 2, described water suspension emulsion environment friendly agricultural is characterized in that described growth regulator, is compound sodium nitrophenolate and α-Nai Yisuanna or Octacide 264 DA-6.
9, as claim 2, described water suspension emulsion environment friendly agricultural is characterized in that described stabilizing agent is xanthans XG and gel SM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200410002117XA CN1555699A (en) | 2004-01-08 | 2004-01-08 | Aqueous emulsion green pesticide and its formula design and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200410002117XA CN1555699A (en) | 2004-01-08 | 2004-01-08 | Aqueous emulsion green pesticide and its formula design and preparation method |
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| CN1555699A true CN1555699A (en) | 2004-12-22 |
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| CNA200410002117XA Pending CN1555699A (en) | 2004-01-08 | 2004-01-08 | Aqueous emulsion green pesticide and its formula design and preparation method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101810188A (en) * | 2010-04-20 | 2010-08-25 | 浙江大学 | Compound imidacloprid aqueous suspension prepared by using tea saponin as synergist and surface active agent |
| CN101589717B (en) * | 2009-07-02 | 2012-08-22 | 江苏省农业科学院 | Sustained-release synergistic avermectin microemulsion for paddy rice |
| CN103210959A (en) * | 2008-04-11 | 2013-07-24 | 巴斯夫公司 | Pesticidal compositions |
| CN103651529A (en) * | 2013-12-10 | 2014-03-26 | 济南凯因生物科技有限公司 | Suspoemulsion containing theta-cypermethrin and dimehypo and application of suspoemulsion |
| CN104163722A (en) * | 2014-08-19 | 2014-11-26 | 青岛力力惠生物科技有限公司 | Anti-pest synergistic anti-caking compound fertilizer and preparation method thereof |
| CN108835126A (en) * | 2018-06-27 | 2018-11-20 | 四川福思达生物技术开发有限责任公司 | A kind of agricultural insecticidal composite and its application containing nicotine compound and mineral oil |
-
2004
- 2004-01-08 CN CNA200410002117XA patent/CN1555699A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103210959A (en) * | 2008-04-11 | 2013-07-24 | 巴斯夫公司 | Pesticidal compositions |
| CN101589717B (en) * | 2009-07-02 | 2012-08-22 | 江苏省农业科学院 | Sustained-release synergistic avermectin microemulsion for paddy rice |
| CN101810188A (en) * | 2010-04-20 | 2010-08-25 | 浙江大学 | Compound imidacloprid aqueous suspension prepared by using tea saponin as synergist and surface active agent |
| CN101810188B (en) * | 2010-04-20 | 2013-04-17 | 浙江大学 | Compound imidacloprid aqueous suspension prepared by using tea saponin as synergist and surface active agent |
| CN103651529A (en) * | 2013-12-10 | 2014-03-26 | 济南凯因生物科技有限公司 | Suspoemulsion containing theta-cypermethrin and dimehypo and application of suspoemulsion |
| CN104163722A (en) * | 2014-08-19 | 2014-11-26 | 青岛力力惠生物科技有限公司 | Anti-pest synergistic anti-caking compound fertilizer and preparation method thereof |
| CN104163722B (en) * | 2014-08-19 | 2016-08-24 | 青岛力力惠生物科技股份有限公司 | Insect-proof synergistic anti-caking compound fertilizer and preparation method thereof |
| CN108835126A (en) * | 2018-06-27 | 2018-11-20 | 四川福思达生物技术开发有限责任公司 | A kind of agricultural insecticidal composite and its application containing nicotine compound and mineral oil |
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Open date: 20041222 |